{
  "ptid_time": "021_S_0178_2017-04-26",
  "img_path": "/data/qiuhui/data/adni/images/021_S_0178/2017-04-26/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 34,727 mm³, 9.8% below the reference mean. With a Z-score of -0.24 (40.7th percentile), this represents normal volume ; whole brain volume measures 977,426 mm³, 9.4% below the reference mean. With a Z-score of -1.23 (11.0th percentile), this represents mild atrophy. ",
  "text_data": "Age is 75.8 years. Gender is Male. Education: 20 years. MMSE: 30.0. MoCA: 26.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is within normal limits, but the whole brain volume shows mild atrophy (Z-score -1.23, 11th percentile). Cognitive testing (MMSE 30, MoCA 26) is borderline normal, with MoCA slightly below the typical cutoff of 26 for MCI. No APOE4 risk allele is present.  \nDiagnosis: Mild Cognitive Impairment (MCI)  \nConfidence: Medium",
  "timestamp": "2025-07-26T01:22:28.308564"
}